Ensure that the moveTreeItem function exits properly if no item to be moved is selected

nw/gui/projtree.py

@@ -286,11 +286,14 @@ class GuiProjectTree(QTreeWidget):
             logger.error("No project open")
             return False
 
-        hasFocus = qApp.focusWidget() == self or not self.mainConf.showGUI
-        if hasFocus and self.theParent.hasProject:
+        if qApp.focusWidget() != self and self.mainConf.showGUI:
+            return False
 
         tHandle = self.getSelectedHandle()
         tItem = self._getTreeItem(tHandle)
+        if tItem is None:
+            return False
+
         pItem = tItem.parent()
         if pItem is None:
             tIndex = self.indexOfTopLevelItem(tItem)
@@ -314,9 +317,6 @@ class GuiProjectTree(QTreeWidget):
         cItem.setSelected(True)
         self._setTreeChanged(True)
 
-        else:
-            return False
-
         return True
 
     def saveTreeOrder(self):